Family Computer Disk System
The Family Computer Disk System (also called the Famicom Disk System) is an accessory for the Family Computer. It allowed the Family Computer to play certain games on a floppy disk rather than a cartridge. Floppy disks had the advantages of being cheaper. Besides that, the disks were rewritable, making saving easier. Sharp Corporation, a Japanese Electronics and Domestic Appliance company, created the Twin Famicom, a Family Computer combined with the Disk System into one piece of hardware, but it was also only released in Japan.
The main reason why Famicom Disk System was not released outside Japan is believed to be due to a lack of success caused by various issues with the system:
Here's the list of Mario or related games released for the Disk System:
Names in other languages